2023-10-10 13:15:57

by Mehdi Djait

[permalink] [raw]
Subject: [PATCH v7 1/3] media: dt-bindings: media: add bindings for Rockchip VIP

Add a documentation for the Rockchip Video Input Processor
binding.

The PX30 SoC is the only platform supported so far.

Signed-off-by: Mehdi Djait <[email protected]>
---
.../bindings/media/rockchip,px30-vip.yaml | 93 +++++++++++++++++++
1 file changed, 93 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml

diff --git a/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
new file mode 100644
index 000000000000..41f0cd58372d
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
@@ -0,0 +1,93 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/rockchip,px30-vip.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip VIP Camera Interface
+
+maintainers:
+ - Mehdi Djait <[email protected]>
+
+description: |-
+ Rockchip VIP is the Video Input Processor of the rockchip PX30 SoC. It
+ receives the data from Camera sensor or CCIR656 encoder and transfers it into
+ system main memory by AXI bus.
+
+properties:
+ compatible:
+ const: rockchip,px30-vip
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: ACLK
+ - description: HCLK
+ - description: PCLK
+
+ clock-names:
+ items:
+ - const: aclk
+ - const: hclk
+ - const: pclk
+
+ resets:
+ items:
+ - description: AXI
+ - description: AHB
+ - description: PCLK IN
+
+ reset-names:
+ items:
+ - const: axi
+ - const: ahb
+ - const: pclkin
+
+ power-domains:
+ maxItems: 1
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: A connection to a sensor or decoder
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/px30-cru.h>
+ #include <dt-bindings/power/px30-power.h>
+
+ parent {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ vip@ff490000 {
+ compatible = "rockchip,px30-vip";
+ reg = <0x0 0xff490000 0x0 0x200>;
+ interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>;
+ clock-names = "aclk", "hclk", "pclk";
+ resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>;
+ reset-names = "axi", "ahb", "pclkin";
+ power-domains = <&power PX30_PD_VI>;
+ port {
+ endpoint {
+ remote-endpoint = <&tw9900_out>;
+ };
+ };
+ };
+ };
+...
--
2.41.0


2023-10-10 15:37:03

by Conor Dooley

[permalink] [raw]
Subject: Re: [PATCH v7 1/3] media: dt-bindings: media: add bindings for Rockchip VIP

On Tue, Oct 10, 2023 at 03:15:04PM +0200, Mehdi Djait wrote:
> Add a documentation for the Rockchip Video Input Processor
> binding.
>
> The PX30 SoC is the only platform supported so far.
>
> Signed-off-by: Mehdi Djait <[email protected]>
> ---
> .../bindings/media/rockchip,px30-vip.yaml | 93 +++++++++++++++++++
> 1 file changed, 93 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
> new file mode 100644
> index 000000000000..41f0cd58372d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
> @@ -0,0 +1,93 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/rockchip,px30-vip.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip VIP Camera Interface
> +
> +maintainers:
> + - Mehdi Djait <[email protected]>
> +
> +description: |-

The |- is not needed here, you've got no fancy formattting to preserve.

> + Rockchip VIP is the Video Input Processor of the rockchip PX30 SoC. It
> + receives the data from Camera sensor or CCIR656 encoder and transfers it into
> + system main memory by AXI bus.
> +
> +properties:
> + compatible:
> + const: rockchip,px30-vip
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: ACLK
> + - description: HCLK
> + - description: PCLK
> +
> + clock-names:
> + items:
> + - const: aclk
> + - const: hclk
> + - const: pclk
> +
> + resets:
> + items:
> + - description: AXI
> + - description: AHB
> + - description: PCLK IN
> +
> + reset-names:
> + items:
> + - const: axi
> + - const: ahb
> + - const: pclkin
> +
> + power-domains:
> + maxItems: 1
> +
> + port:
> + $ref: /schemas/graph.yaml#/properties/port
> + description: A connection to a sensor or decoder

This description seems unneeded also.

> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - port
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/px30-cru.h>
> + #include <dt-bindings/power/px30-power.h>
> +
> + parent {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + vip@ff490000 {

This should be a generic node name.

> + compatible = "rockchip,px30-vip";
> + reg = <0x0 0xff490000 0x0 0x200>;
> + interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>;
> + clock-names = "aclk", "hclk", "pclk";
> + resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>;
> + reset-names = "axi", "ahb", "pclkin";
> + power-domains = <&power PX30_PD_VI>;

Blank line before child nodes please.

Otherwise, this looks mostly fine to me.

> + port {
> + endpoint {
> + remote-endpoint = <&tw9900_out>;
> + };
> + };
> + };
> + };
> +...
> --
> 2.41.0
>


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2023-10-10 19:37:09

by Rob Herring (Arm)

[permalink] [raw]
Subject: Re: [PATCH v7 1/3] media: dt-bindings: media: add bindings for Rockchip VIP


On Tue, 10 Oct 2023 15:15:04 +0200, Mehdi Djait wrote:
> Add a documentation for the Rockchip Video Input Processor
> binding.
>
> The PX30 SoC is the only platform supported so far.
>
> Signed-off-by: Mehdi Djait <[email protected]>
> ---
> .../bindings/media/rockchip,px30-vip.yaml | 93 +++++++++++++++++++
> 1 file changed, 93 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
>

Reviewed-by: Rob Herring <[email protected]>